The tutorial of the O.P is obsolete.
In both cases, remove security from the lock screen and restart the system before starting.
Two possibilities:
Old rom in
Fastboot.ZIP (xiaomi.eu_multi_XM11TPro_V13.0.4.0.SKDMIXM_
v13-12-fastboot.zip)then updated via Ota and
Twrp.
Or
Install the Twrp and flash the last rom in
ZIP.(xiaomi.eu_multi_XM11TPro_V13.0.7.0.SKDMIXM_
v13-12.zip).
TWRP
Reboot the phone to fastboot (Power + Vol Down)
Connect the phone to the computer using an USB cable (Preferred to use original cable that came with the phone)
Extract the fastboot files and open CMD/Terminal there.
Paste the twrp.img in the same folder.
Type' fastboot boot twrp.img' .
The phone will reboot in TWRP after that go to Advanced > Flash Current TWRP.
Reboot TWRP.
Rom
Twrp/wipe/format data type yes
reboot Twrp
If errors,red lignes,restart the procedure.
Put the rom in internal storage or use OTG
Flash rom
First boot takes time 5/8 minutes.